Tire tread



FIG. 1 is a side perspective view of a tire tread showing our new design, it being understood that the tread pattern is repeated throughout the circumference of the tire tread;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is an enlarged fragmentary front elevational view thereof;

FIG. 6 is a side perspective view of a second embodiment of a tire tread showing our new design, it being understood that the tread pattern is repeated throughout the circumference of the tire tread;

FIG. 7 is a front elevational view of FIG. 6;

FIG. 8 is a right side elevational view of FIG. 7;

FIG. 9 is a left side elevational view of FIG. 7; and,

FIG. 10 is an enlarged fragmentary front elevational view of FIG. 7.

The dark stippled surface shading represents the recessed portion of the tread grooves, having a depth as best shown in FIGS. 2 and 7; the broken lines defining the tire sidewall and inner bead and the peripheral boundary between the tire tread and sidewall are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a tire tread, as shown and described. 